85c62532a5 docs(bitcoind_rpc): better `Emitter::mempool` explanation (志宇)
b69c13ddf6 example_bitcoind_rpc: tweaks (志宇)
5f34df8489 bitcoind_rpc!: bring back `CheckPoint`s to `Emitter` (志宇)
57590e0a1f bitcoind_rpc: rm `BlockHash` from `Emitter::last_mempool_tip` (志宇)
6d4b33ef91 chain: split `IndexedTxGraph::insert_tx` into 3 methods (志宇)
4f5695d43a chain: improvements to `IndexedTxGraph` and `TxGraph` APIs (志宇)
150d6f8ab6 feat(example_bitcoind_rpc_polling): add example for RPC polling (志宇)
4f10463d9e test(bitcoind_rpc): add no_agreement_point test (志宇)
a73dac2d91 test(bitcoind_rpc): initial tests for `Emitter` (志宇)
bb7424d11d feat(bitcoind_rpc): introduce `bitcoind_rpc` crate (志宇)
240657b167 chain: add batch-insert methods for `IndexedTxGraph` (志宇)
43bc813c64 chain: add helper methods on `CheckPoint` (志宇)
b3db5ca9df feat(chain): add `AnchorFromBlockPosition` trait (志宇)
f795a43cc7 feat(example_cli): allow chain specific args in examples (志宇)
Pull request description:
### Description
This PR builds on top of #1034 and adds the `bitcoind_rpc` chain-src module and example.
### Notes to the reviewers
Don't merge this until #1034 is in!
### Changelog notice
* Add `bitcoind_rpc` chain-source module.
* Add `example_bitcoind_rpc` example module.
* Add `AnchorFromBlockPosition` trait which are for anchors that can be constructed from a given block, height and position in block.
* Add helper methods to `IndexedTxGraph` and `TxGraph` for batch operations and applying blocks directly.
* Add helper methods to `CheckPoint` for easier construction from a block `Header`.
### Checklists
* [x] Add test: we should detect when an initially-confirmed transaction is "unconfirmed" during a reorg.
* [x] Improve `example_bitcoind_rpc`: add `live` command.
* [x] Improve docs.
* [x] Reintroduce `CheckPoint`.
#### All Submissions:
* [x] I've signed all my commits
* [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
* [x] I ran `cargo fmt` and `cargo clippy` before committing
#### New Features:
* [x] I've added tests for the new feature
* [x] I've added docs for the new feature
ACKs for top commit:
notmandatory:
Re ACK 85c62532a5
Tree-SHA512: 88dbafbebaf227b18c69f2ea884e3e586bf9c11e5e450eb4872ade1d1ccd5cf1e33ce9930a6f5aa918baa3e92add7503858b039b8c9d553a281ad6d833f08a49
38d69c947c